I-acetonelulwelo olungenambala, oluguquguqukayo olunevumba elinamandla.Isetyenziswe ngokubanzi kumashishini ahlukeneyo, njengamayeza, i-petroleum, ikhemikhali, njl. I-acetone ingasetyenziselwa njenge-solvent, i-agent yokucoca, i-adhesive, ipeyinti encinci, njl. Kule nqaku, siya kwazisa ukuveliswa kwe-acetone.

Ukugcinwa kwegubu le-acetone 

 

Ukuveliswa kwe-acetone ikakhulu kubandakanya amanyathelo amabini: isinyathelo sokuqala kukuvelisa i-acetone kwi-acetic acid ngokunciphisa i-catalytic, kwaye isinyathelo sesibini kukwahlula kunye nokuhlambulula i-acetone.

 

Kwinqanaba lokuqala, i-acetic acid isetyenziswa njengemathiriyeli ekrwada, kwaye i-catalyst isetyenziselwa ukwenza i-catalytic reaction reaction to find acetone.I-catalysts esetyenziswa ngokuqhelekileyo i-zinc powder, i-iron powder, njl.CH3COCH3.Ubushushu bokusabela yi-150-250, kunye noxinzelelo lwe-reaction yi-1-5 MPa.I-zinc powder kunye ne-iron powder zihlaziywa emva kokuphendula kwaye zingasetyenziswa ngokuphindaphindiweyo.

 

Kwinqanaba lesibini, umxube oqukethe i-acetone uhlukaniswe kwaye uhlanjululwe.Kukho iindlela ezininzi zokwahlula kunye nokucoca i-acetone, njenge-distillation method, indlela yokufunxa, indlela yokukhupha, njl.Le ndlela isebenzisa iindawo zokubilisa ezahlukeneyo zezinto ukuze zahlule ngokuxutywa kwe-distillation.I-acetone ineqondo eliphantsi lokubilisa kunye noxinzelelo lomphunga ophezulu.Ngoko ke, inokwahlulwa kwezinye izinto ngokuxutywa kwe-distillation phantsi kwendawo ephezulu ye-vacuum kwiqondo lokushisa eliphantsi.I-acetone eyahluliweyo ke ithunyelwa kwinkqubo elandelayo yonyango olongezelelweyo.

 

Isishwankathelo, ukuveliswa kwe-acetone kubandakanya amanyathelo amabini: ukunciphisa i-catalytic ye-acetic acid ukufumana i-acetone kunye nokwahlula kunye nokuhlanjululwa kwe-acetone.I-acetone yinto ebalulekileyo yeekhemikhali ekrwada kwi-petroleum, ikhemikhali, iyeza kunye namanye amashishini.Inoluhlu olubanzi lwezicelo kwiinkalo zoshishino kunye nobomi.Ukongeza kwezi ndlela zingasentla, kukho ezinye iindlela zokwenza i-acetone, njenge-fermentation method kunye nendlela ye-hydrogenation.Ezi ndlela zineempawu zazo kunye neenzuzo kwizicelo ezahlukeneyo.


Ixesha lokuposa: Dec-18-2023